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Servicing the HD Dual Point
Adjusters (DPA)
1.
Remove all parts (refer to the Installation
Instructions for the HD DPA Kit and to
34).
2.
Apply anti-seize compound to the inside of
the bushing area on cutting unit center frame
(Figure
34).
3.
Align the keys on flange bushings to the slots in
the frame and install the bushings
1. Shaft adjuster
2. Wave washer
3. Flange bushing
7.
Apply anti-seize compound to the threads of the
bedbar-adjuster screw that fit into the adjuster
shaft.
8.
Thread the bedbar-adjuster screw into the
adjuster shaft.
9.
Loosely install the hardened washer, spring, and
spring tension nut onto the adjuster screw.
10.
Install the bedbar, positioning the mounting ears
between the washer and the bedbar adjuster.
11.
Secure the bedbar to each side plate with the
bedbar bolts (nuts on bolts) and 6 washers.
Note:
Position a nylon washer on each side of
the side-plate boss.
Figure
(Figure
34).
4. Apply anti-seize compound
here.
5. Flat washer
6. Locknut
4.
Install a wave washer onto the adjuster shaft and
slide the adjuster shaft into the flange bushings
in the frame of the cutting unit
5.
Secure the adjuster shaft with a flat washer and
locknut
(Figure
6.
Torque the locknut to 20 to 27 N∙m (15 to 20
ft-lb).
Note:
The bedbar adjuster shaft has left-hand
threads.
Figure 34
7. Apply anti-seize compound
here.
8. Bedbar-adjuster screw
9. Hardened washer
12.
Place a steel washer outside each of the nylon
washers
(Figure
13.
Torque the bedbar bolts to 37 to 45 N∙m (27 to
33 ft-lb).
14.
Tighten the locknuts until the outside steel
washer stops rotating and end play is removed
but do not overtighten or deflect the side plates.
Note:
The washers on the inside may have a
gap
(Figure
34).
15.
Tighten the nut on each bedbar-adjuster
assembly until the compression spring is fully
compressed, then loosen the nut 1/2 turn
34).
19
(Figure
34).
10. Compression spring
11. Spring-tension nut
34).
34).
g016926
(Figure
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